Fire-prevention structure for buildings
A fire-prevention structure for buildings includes at least a first fire-prevention district, a fire-prevention floor slab, and a second fire-prevention district. The first fire-prevention district having at least a steel-structured story further includes a plurality of first steel columns and a plurality of first steel beams. The first steel column is a hollow rectangular column with an upper end opening. The first steel beam is connected to a lateral side of the first steel column. The fire-prevention floor slab is constructed on top of the first steel beams and partly inside the end opening of the first steel column. The second fire-prevention district having at least a steel-structured story further includes a plurality of second steel columns and a plurality of second steel beams. The second steel column has a lower end portion further extruding an engagement plate and an engagement column. The engagement plate is fixed to the fire-prevention floor slab through anchor bolting, and the engagement column is protruded into the end opening of the first steel column.
(1) Field of the Invention
The present invention relates to a fire-prevention structure for buildings, and more particularly to a fire-prevention structure that can effectively isolate a fire in the building so as to avoid a possible catastrophic collapse of the building.
(2) Description of the Prior Art
In a metropolitan area, skyscrapers have become an inevitable solution to accommodate the growing population. The frames being used by most of the skyscrapers are steel structures, featuring in light weight, quick construction, and performance. Therefore, in constructing a skyscraper, the steel structure is considered to be superior to the steel-reinforced concrete structure.
Referring now to
It is well known that a major disadvantage of the steel structure is its weakness of the heat-resistance. In the conventional structure 1, the connection between the steel columns 112a, 112b or between the steel column 112a and the steel beam 114 is made by direct welding. When a fire occurs to the steel-structured building, and the temperature reaches a thousand degrees, the fire with the temperature would quickly soften the steel structures. Further by the heat conductivity of the steels, the high temperature will be rapidly spread out to the whole steel structures of the building. As soon as any steel column 112 of the structure 1 begins to melt, a possible buckling would attack the steel column 112. When the buckled steel column 112 cannot support the load contributed by the portion of the building above the steel column 112, a possible collapse of the building would happen just like what happened to the World Trade Center during the “911”.
SUMMARY OF THE INVENTIONIt is an objective of the present invention to provide a fire-prevention structure for buildings, by which the major heat of the fire can be limited within a specific region to prevent a possible collapse.
In the present invention, the fire-prevention structure for buildings includes at least a first fire-prevention district, a fire-prevention floor slab, and a second fire-prevention district, in which the fire-prevention floor slab is constructed between the first fire-prevention district and the second fire-prevention district.
The first fire-prevention district further includes at least a steel-structured story. The steel-structured story has a plurality of first steel columns and a plurality of first steel beams. The first steel column is a hollow rectangular column with an end opening. The first steel beam is connected to a lateral side 3110 of the first column.
The fire-prevention floor slab includes a corrugated steel roof plate and a fire-resistant material. The corrugated steel roof plate is engaged with the first column. The fire-resistant material is layered on the corrugated steel roof plate and filled into the end opening of the first column. In the present invention, the fire-resistant material can be a steel-fiber reinforced concrete, a calcium silicate, or an asbestos.
The second fire-prevention district further includes at least a steel-structured story. The steel-structured story has a plurality of second steel columns and a plurality of second steel beams. The second steel column has a lower end portion extruding an engagement plate and an engagement column. The engagement plate is fixed to the fire-prevention floor slab through an anchor bolting, and the engagement column is protruded into the end opening of the first steel column. The engagement column has a plurality of peripheral shear connectors to ensure the holding of the engagement column with the fire-resistant material inserted inside the end opening.
In the present invention, the fire-prevention structure divides the whole building structure into a plurality of fire-prevention districts, in which any two adjacent fire-prevention districts are not directly engaged, instead, being engaged through the in-between fire-prevention floor slab. The fire-prevention floor slab is made of fire-resistant material by which the fire and the heat generated by the fire in any single fire-prevention district can be controlled substantially within the particular incidental fire-prevention district.
The present invention will now be specified with reference to its preferred embodiment illustrated in the drawings, in which:
The present invention discloses a structure for a fire-prevention building. In the following description, numerous details are set forth in order to provide a thorough understanding of the present invention. It will be appreciated by one skilled in the art that variations of these specific details are possible while still achieving the results of the present invention. In other instance, well-known components are not described in detail in order not to unnecessarily obscure the present invention.
Referring now to
In
As shown in
In the present invention, the fire-prevention structure divides the whole building structure 2 into a plurality of fire-prevention districts 3A, 3B, 3C, in which, for example in
While the present invention has been particularly shown and described with references to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the present invention.
Claims
1. A fire-prevention structure for buildings, comprising:
- a first fire-prevention district, having at least a steel-structured story, further including a plurality of first steel columns and a plurality of first steel beams;
- the first steel column being formed as a hollow rectangular column and having an upper end opening;
- the first steel beam being connected to a lateral side of the respective first steel column;
- a fire-prevention floor slab, constructed on top of the first steel beams and protruded partly into the end opening of the first steel column; and
- a second fire-prevention district having at least a steel-structured story, including a plurality of second steel columns and a plurality of second steel beams, having a lower end portion to extrude downward an engagement plate and an engagement column;
- the engagement plate being fixed to the fire-prevention floor slab;
- the engagement column, having a plurality of peripheral shear connectors, being protruded downward into the end opening of the first steel column and being embraced by the fire-prevention floor slab;
- said engagement plate and said fire-prevention floor slab are connected with a plurality of anchor bolts; said fire-prevention floor slab includes a corrugated steel roof plate and a fire-resistant material, the corrugated steel roof plate being engaged with said first steel column, the fire-resistant material being layered on the corrugated steel roof plate and also partly filled into said end opening of said first steel column; and
- the first fire-prevention district and the second fire-prevention district are not directly engaged, but connected to each other through the fire-prevention floor slab in between.
2. The fire-prevention structure for buildings according to claim 1, wherein said fire-resistant material is a steel-fiber reinforced concrete.
3. The fire-prevention structure for buildings according to claim 1, wherein said fire-resistant material is a calcium silicate.
4. The fire-prevention structure for buildings according to claim 1, wherein said fire-resistant material is an asbestos.
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Type: Grant
Filed: Oct 2, 2007
Date of Patent: Aug 27, 2013
Patent Publication Number: 20090084061
Inventor: Chan-Ping Pan (Taipei)
Primary Examiner: William Gilbert
Assistant Examiner: James Ference
Application Number: 11/865,732
International Classification: E04C 2/54 (20060101);